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Puna ibis

Puna ibis

Plegadis ridgwayi

The Puna ibis comes from the uplands of the Central Andes where it is found living in poorly drained and marshy areas, streams and ponds. Large numbers have also been observed visiting the Peruvian coast in May-September and feeding on the mudflats

Puna ibis are carnivorous and use their long curved bill to probe the mud and water to locate amphibians, aquatic insects and their larvae, molluscs and other small aquatic animals.

The habitat of the Puna ibis is generally above the tree line and so instead of building its nest in trees like other ibis species, the breeding colonies build nest in tall reeds using dry vegetation. Normally 2 eggs are laid which hatch after an incubation period of around 21-28 days.

The Puna ibis is not considered in danger of extinction by the IUCN and recent field studies suggest it has both viable and stable populations

Where they live: Central western South America in Peru, Bolivia, the northerly most parts of Chile and Argentina

Habitat: wetland areas of the Puna grassland region of the central Andes, streams, mudflats and ponds

Size: height 56-61cm, wing span 80-105 m

Weight: 500-700g  Life span: 10 years in the wild up to 15 in the Zoo

Conservation status: IUCN listed Least Concern

Threats: Stable populations have been recorded and no major threats are evident


Like many wading birds the ibis has long toes to spread its weight and prevent it sinking in mud or when walking on floating marshland vegetation

The long curved bill of the ibis is an ideal tool for probing mud for frogs, snails and insects

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